Professor's lectures and seminars summaries

1987-1988 - The sun: the undecadal cycle of solar activity

1986-1987 - The sun: the "standard model

1985-1986 - The sun: internal structure

1984-1985 - Observational cosmology (continued) : Quasars and active galaxies (continued)

1983-1984 - Observational cosmology (continued) : Quasars and active galaxies

1982-1983 - No lectures this year

1981-1982 - Observational cosmology (continued) : Cosmological facts

1980-1981 - Observational cosmology

1979-1980 - Dynamic evolution of galaxy clusters

1978-1979 - Interactions with the intergalactic environment

1977-1978 - Evolution of galaxies

1976-1977 - Study of atrophysical facts observed in the solar, galactic and extragalactic worlds

1975-1976 - Hubble's H constant

1974-1975 - No lectures this year

1973-1974 - The abundance of elements in the universe

1972-1973 - Physics of H regions II (continued) : Dynamic aspects

1971-1972 - Physics of H regions II

1970-1971 - Circumstellar envelopes

1969-1970 - Hydrodynamic problems in condensed-media astrophysics

1968-1969 - Problems relating to young stars and stars in training

1967-1968 - Velocity fields in stellar atmospheres: the diagnosis

1966-1967 - The general problem of transfer in stellar atmospheres